Ring monitors vitals 24/7, makes sleep improving suggestions

Oura ring is a crowdfunded wearable that monitors heart rate, respiration, temperature, and movement, including time spent sitting. The ceramic ring uses Bluetooth to share data with the accompanying app, which makes activity suggestions to improve sleep. It also provides a “readiness score,” which the company claims alerts a user of his/her peak physical and mental performance times. Oura’s battery lasts for three days, and is charged in its ring box.